Loans and Allowance for Credit Losses on Loans - Past Due Financing Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	$ 3,658,823	$ 2,769,295
30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	5,610	2,079
90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	4,565	1,823
Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	10,175	3,902
Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	3,648,648	2,765,393
Commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,869,907	1,370,105
Commercial real estate | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,514	0
Commercial real estate | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	76	52
Commercial real estate | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,590	52
Commercial real estate | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,868,317	1,370,053
Commercial real estate | Construction and land development
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	356,674	291,202
Commercial real estate | Construction and land development | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Construction and land development | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Construction and land development | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Construction and land development | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	356,674	291,202
Commercial real estate | Commercial Real Estate Loan, Owner Occupied
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	529,721	335,658
Commercial real estate | Commercial Real Estate Loan, Owner Occupied | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,514	0
Commercial real estate | Commercial Real Estate Loan, Owner Occupied | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	76	52
Commercial real estate | Commercial Real Estate Loan, Owner Occupied | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,590	52
Commercial real estate | Commercial Real Estate Loan, Owner Occupied | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	528,131	335,606
Commercial real estate | Commercial Real Estate Loan, Non-Owner Occupied
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	901,685	662,159
Commercial real estate | Commercial Real Estate Loan, Non-Owner Occupied | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Commercial Real Estate Loan, Non-Owner Occupied | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Commercial Real Estate Loan, Non-Owner Occupied | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Commercial Real Estate Loan, Non-Owner Occupied | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	901,685	662,159
Commercial real estate | Multifamily
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	81,827	81,086
Commercial real estate | Multifamily | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Multifamily | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Multifamily | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial real estate | Multifamily | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	81,827	81,086
Commercial loans
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	849,851	717,620
Commercial loans | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,699	441
Commercial loans | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	2,240	56
Commercial loans | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	3,939	497
Commercial loans | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	845,912	717,123
Commercial loans | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	245,428	193,313
Commercial loans | Commercial and industrial | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	873	255
Commercial loans | Commercial and industrial | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	403	0
Commercial loans | Commercial and industrial | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,276	255
Commercial loans | Commercial and industrial | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	244,152	193,058
Commercial loans | Equipment finance
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	462,211	394,541
Commercial loans | Equipment finance | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	826	186
Commercial loans | Equipment finance | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,837	56
Commercial loans | Equipment finance | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	2,663	242
Commercial loans | Equipment finance | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	459,548	394,299
Commercial loans | Municipal Loans
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	142,212	129,766
Commercial loans | Municipal Loans | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial loans | Municipal Loans | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial loans | Municipal Loans | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	0
Commercial loans | Municipal Loans | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	142,212	129,766
Residential real estate loans
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	826,970	596,187
Residential real estate loans | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	2,077	1,308
Residential real estate loans | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,961	1,538
Residential real estate loans | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	4,038	2,846
Residential real estate loans | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	822,932	593,341
Residential real estate loans | Construction and land development
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	110,074	81,847
Residential real estate loans | Construction and land development | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	0	115
Residential real estate loans | Construction and land development | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	132	22
Residential real estate loans | Construction and land development | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	132	137
Residential real estate loans | Construction and land development | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	109,942	81,710
Residential real estate loans | One-to-four family
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	529,703	354,203
Residential real estate loans | One-to-four family | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,698	910
Residential real estate loans | One-to-four family | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,060	1,394
Residential real estate loans | One-to-four family | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	2,758	2,304
Residential real estate loans | One-to-four family | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	526,945	351,899
Residential real estate loans | HELOCs
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	187,193	160,137
Residential real estate loans | HELOCs | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	379	283
Residential real estate loans | HELOCs | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	769	122
Residential real estate loans | HELOCs | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	1,148	405
Residential real estate loans | HELOCs | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	186,045	159,732
Consumer
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	112,095	85,383
Consumer | 30-89 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	320	330
Consumer | 90 Days
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	288	177
Consumer | Financial Asset, Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	608	507
Consumer | Financial Asset, Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees and costs	$ 111,487	$ 84,876